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目的研究评价踝臂指数(ABI)对老年冠心病的预测价值。方法选择100例>65岁行冠状动脉造影术确诊为冠心病的患者为冠心病组,并选择同期住院>65岁的非冠心病患者100例(其中行冠状动脉造影术者29例,冠状动脉CTA检查无狭窄、斑块、钙化者71例)作为对照组。记录二组的一般情况,包括性别、年龄、吸烟史、高血压病史、糖尿病史及血脂、血糖、肾功能、超敏C反应蛋白等参数,并应用超声测量ABI。结果冠心病组有糖尿病史、吸烟史者及超敏C反应蛋白参数明显高于对照组,有统计学意义。冠心病组ABI(0.91±0.17)与对照组ABI(1.18±0.14)比较,差异有统计学意义(P<0.01)。二组间以ABI<0.9的病例数进行比较,差异有统计学意义(P<0.05)。结论 ABI与老年冠心病有良好的相关性,ABI≤0.9对老年冠心病有一定的预测价值。
Objective To evaluate the predictive value of ankle brachial index (ABI) in elderly patients with coronary heart disease. Methods 100 patients aged> 65 years undergoing coronary angiography as coronary heart disease were selected as coronary heart disease group. 100 patients with non-coronary heart disease> 65 years of age who underwent coronary angiography during the same period (including 29 coronary artery angiography, CTA examination without stenosis, plaque, calcification in 71 cases) as a control group. The general conditions of the two groups were recorded, including gender, age, smoking history, history of hypertension, history of diabetes and blood lipids, blood glucose, renal function, high-sensitivity C-reactive protein and other parameters. Results The coronary heart disease group had a history of diabetes mellitus, smoking history and hypersensitive C-reactive protein parameters were significantly higher than the control group, with statistical significance. There was significant difference between ABI (0.91 ± 0.17) in coronary heart disease group and ABI (1.18 ± 0.14) in control group (P <0.01). Between the two groups with ABI <0.9 cases were compared, the difference was statistically significant (P <0.05). Conclusion There is a good correlation between ABI and elderly coronary heart disease. ABI≤0.9 has some predictive value in elderly patients with coronary heart disease.